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Finding the Fourth Proportional to 92,829.03, 128,104.22 and 50,387.55

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Solution

The fourth proportional to 92,829.03, 128,104.22 and 50,387.55 is: 69,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,829.03 : 128,104.22 = 50,387.55 : x
  2. Step 2: Convert to fraction form
    92,829.03/128,104.22 = 50,387.55/x
  3. Step 3: Cross multiply
    92,829.03x = 128,104.22 × 50,387.55
  4. Step 4: Simplify right side
    92,829.03x = 6,454,857,538.52
  5. Step 5: Solve for x
    x = 6,454,857,538.52/92,829.03
  6. Step 6: Final answer
    x = 69,534.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.